@article{731,
  author = {Sandro Vatanabe and Glaucio Paulino and Em{\'\i}lio Silva},
  title = {Influence of pattern gradation on the design of piezocomposite energy harvesting devices using topology optimization},
  year = {2012},
  journal = {Composites Part B: Engineering},
  volume = {43},
  number = {6},
  pages = {2646{\textendash}2654},
  publisher = {Elsevier},
}